Apply workaround to enforce Jackson 2 decoder/ encoder use with WebClient. Remove unnecessary classpath exclusions.

Signed-off-by: Olga Maciaszek-Sharma <olga.maciaszek-sharma@broadcom.com>

Author: OlgaMaciaszek

spring-cloud-netflix-eureka-client-tls-tests/pom.xml

@@ -66,12 +66,6 @@
 		<dependency>
 			<groupId>org.springframework.boot</groupId>
 			<artifactId>spring-boot-starter-actuator</artifactId>
-			<exclusions>
-				<exclusion>
-					<groupId>tools.jackson.core</groupId>
-					<artifactId>jackson-databind</artifactId>
-				</exclusion>
-			</exclusions>
 			<optional>true</optional>
 		</dependency>
 		<dependency>

spring-cloud-netflix-eureka-client/pom.xml

@@ -42,22 +42,10 @@
 			<groupId>org.springframework.boot</groupId>
 			<artifactId>spring-boot-starter-actuator</artifactId>
 			<optional>true</optional>
-			<exclusions>
-				<exclusion>
-					<groupId>tools.jackson.core</groupId>
-					<artifactId>jackson-databind</artifactId>
-				</exclusion>
-			</exclusions>
 		</dependency>
 		<dependency>
 			<groupId>org.springframework.boot</groupId>
 			<artifactId>spring-boot-starter-webflux</artifactId>
-			<exclusions>
-				<exclusion>
-					<groupId>tools.jackson.core</groupId>
-					<artifactId>jackson-databind</artifactId>
-				</exclusion>
-			</exclusions>
 			<optional>true</optional>
 		</dependency>
 		<dependency>

spring-cloud-netflix-eureka-client/src/main/java/org/springframework/cloud/netflix/eureka/http/WebClientTransportClientFactory.java

@@ -48,6 +48,7 @@
  * @author Haytham Mohamed
  * @author Armin Krezovic
  * @author Wonchul Heo
+ * @author Olga Maciaszek-Sharma
  */
 public class WebClientTransportClientFactory implements TransportClientFactory {
 
@@ -81,6 +82,8 @@ private void setCodecs(WebClient.Builder builder) {
 		ObjectMapper objectMapper = objectMapper();
 		builder.codecs(configurer -> {
 			ClientCodecConfigurer.ClientDefaultCodecs defaults = configurer.defaultCodecs();
+			defaults.jacksonJsonDecoder(new Jackson2JsonDecoder(objectMapper, MediaType.APPLICATION_JSON));
+			defaults.jacksonJsonEncoder(new Jackson2JsonEncoder(objectMapper, MediaType.APPLICATION_JSON));
 			defaults.jackson2JsonEncoder(new Jackson2JsonEncoder(objectMapper, MediaType.APPLICATION_JSON));
 			defaults.jackson2JsonDecoder(new Jackson2JsonDecoder(objectMapper, MediaType.APPLICATION_JSON));